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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package com.android.voicemail.impl;
import android.annotation.TargetApi;
import android.content.Context;
import android.content.Intent;
import android.os.Build.VERSION_CODES;
import android.os.UserManager;
import android.preference.PreferenceManager;
import android.support.annotation.MainThread;
import android.support.annotation.NonNull;
import android.telecom.PhoneAccountHandle;
import android.telephony.VisualVoicemailService;
import android.telephony.VisualVoicemailSms;
import com.android.dialer.logging.DialerImpression;
import com.android.dialer.logging.Logger;
import com.android.voicemail.VoicemailComponent;
import com.android.voicemail.impl.settings.VisualVoicemailSettingsUtil;
import com.android.voicemail.impl.sms.LegacyModeSmsHandler;
import com.android.voicemail.impl.sync.VvmAccountManager;
/** Implements {@link VisualVoicemailService} to receive visual voicemail events */
@TargetApi(VERSION_CODES.O)
public class OmtpService extends VisualVoicemailService {
private static final String TAG = "VvmOmtpService";
public static final String ACTION_SMS_RECEIVED = "com.android.vociemailomtp.sms.sms_received";
public static final String EXTRA_VOICEMAIL_SMS = "extra_voicemail_sms";
private static final String IS_SHUTTING_DOWN = "com.android.voicemail.impl.is_shutting_down";
@Override
public void onCellServiceConnected(
VisualVoicemailTask task, final PhoneAccountHandle phoneAccountHandle) {
VvmLog.i(TAG, "onCellServiceConnected");
if (!isModuleEnabled()) {
VvmLog.e(TAG, "onCellServiceConnected received when module is disabled");
task.finish();
return;
}
if (!isUserUnlocked(this)) {
VvmLog.i(TAG, "onCellServiceConnected: user locked");
task.finish();
return;
}
if (!isServiceEnabled(phoneAccountHandle)) {
task.finish();
return;
}
Logger.get(this).logImpression(DialerImpression.Type.VVM_UNBUNDLED_EVENT_RECEIVED);
ActivationTask.start(OmtpService.this, phoneAccountHandle, null);
task.finish();
}
@Override
public void onSmsReceived(VisualVoicemailTask task, final VisualVoicemailSms sms) {
VvmLog.i(TAG, "onSmsReceived");
if (!isModuleEnabled()) {
VvmLog.e(TAG, "onSmsReceived received when module is disabled");
task.finish();
return;
}
if (!isUserUnlocked(this)) {
LegacyModeSmsHandler.handle(this, sms);
return;
}
if (!isServiceEnabled(sms.getPhoneAccountHandle())) {
task.finish();
return;
}
// isUserUnlocked() is not checked. OmtpMessageReceiver will handle the locked case.
Logger.get(this).logImpression(DialerImpression.Type.VVM_UNBUNDLED_EVENT_RECEIVED);
Intent intent = new Intent(ACTION_SMS_RECEIVED);
intent.setPackage(getPackageName());
intent.putExtra(EXTRA_VOICEMAIL_SMS, sms);
sendBroadcast(intent);
task.finish();
}
@Override
public void onSimRemoved(
final VisualVoicemailTask task, final PhoneAccountHandle phoneAccountHandle) {
VvmLog.i(TAG, "onSimRemoved");
if (!isModuleEnabled()) {
VvmLog.e(TAG, "onSimRemoved called when module is disabled");
task.finish();
return;
}
if (!isUserUnlocked(this)) {
VvmLog.i(TAG, "onSimRemoved: user locked");
task.finish();
return;
}
if (isShuttingDown(this)) {
VvmLog.i(TAG, "onSimRemoved: system shutting down, ignoring");
task.finish();
return;
}
Logger.get(this).logImpression(DialerImpression.Type.VVM_UNBUNDLED_EVENT_RECEIVED);
VvmAccountManager.removeAccount(this, phoneAccountHandle);
task.finish();
}
@Override
public void onStopped(VisualVoicemailTask task) {
VvmLog.i(TAG, "onStopped");
if (!isModuleEnabled()) {
VvmLog.e(TAG, "onStopped called when module is disabled");
task.finish();
return;
}
if (!isUserUnlocked(this)) {
VvmLog.i(TAG, "onStopped: user locked");
task.finish();
return;
}
Logger.get(this).logImpression(DialerImpression.Type.VVM_UNBUNDLED_EVENT_RECEIVED);
}
@MainThread
static void onBoot(@NonNull Context context) {
VvmLog.i(TAG, "onBoot");
Assert.isTrue(isUserUnlocked(context));
Assert.isMainThread();
setShuttingDown(context, false);
}
@MainThread
static void onShutdown(@NonNull Context context) {
VvmLog.i(TAG, "onShutdown");
Assert.isTrue(isUserUnlocked(context));
Assert.isMainThread();
setShuttingDown(context, true);
}
private boolean isModuleEnabled() {
return VoicemailComponent.get(this).getVoicemailClient().isVoicemailModuleEnabled();
}
private boolean isServiceEnabled(PhoneAccountHandle phoneAccountHandle) {
OmtpVvmCarrierConfigHelper config = new OmtpVvmCarrierConfigHelper(this, phoneAccountHandle);
if (!config.isValid()) {
VvmLog.i(TAG, "VVM not supported on " + phoneAccountHandle);
return false;
}
if (!VisualVoicemailSettingsUtil.isEnabled(this, phoneAccountHandle)
&& !config.isLegacyModeEnabled()) {
VvmLog.i(TAG, "VVM is disabled");
return false;
}
return true;
}
private static boolean isUserUnlocked(@NonNull Context context) {
UserManager userManager = context.getSystemService(UserManager.class);
return userManager.isUserUnlocked();
}
private static void setShuttingDown(Context context, boolean value) {
PreferenceManager.getDefaultSharedPreferences(context)
.edit()
.putBoolean(IS_SHUTTING_DOWN, value)
.apply();
}
private static boolean isShuttingDown(Context context) {
return PreferenceManager.getDefaultSharedPreferences(context)
.getBoolean(IS_SHUTTING_DOWN, false);
}
}
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